The stereoscope and stereoscopic photography (1890)
Drouin, F. (Felix) · Bradford ; London : Percy Lund, The Country Press · leaf 63
a magnifying lens of large size(Fig. 41) : this lens being intended for theexamination of ordinary photographic views. The instrument is represented open, and whenclosed looks like a flat box, the lid of which isformed by the end containing the lenses. In 1857 Duboscq construe! ed & portable… … Ffg. 41.—Graphoscope. sides fold up. When closed it occupies no moreroom than an ordinary pocket-book. We have devised the stereoscope representedin Fig. 42 to meet the requirements of all sights, AND STEREOSCOPIC PHOTOGRAPHY. 58 THE STEREOSCOPE and to permit the use of all photographs,…
Stereoscope · Photography, Stereoscopic
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